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Old 16-04-12   #1
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Intel's SSD 910 : Finally A PCIe SSD


INTEL SSD 910 Finally A PCIe SSD FROM INTEL

Solid state storage has quickly been able to saturate the SATA interface just as quickly as new standards are introduced. The first generation of well-built MLC SSDs quickly bumped into the limits of 3Gbps SATA, as did the first generation of 6Gbps MLC SSDs. With hard drives no where near running out of headroom on a 6Gbps interface, it's clear that SSDs need to transition to an interface that can offer significantly higher bandwidth.


The obvious choice is PCI Express. A single PCIe 2.0 lane is good for 500MB/s of data upstream and downstream, for an aggregate of 1GB/s. Build a PCIe 2.0 x16 SSD and you're talking 8GB/s in either direction. The first PCIe 3.0 chipsets have already started shipping and they'll offer even higher bandwidth per lane (~1GB/s per lane, per direction).


PCI Express is easily scalable and it's just as ubiquitous as SATA in modern systems, it's a natural fit for ultra high performance SSDs. While SATA Express will hopefully merge the two in a manner that preserves backwards compatibility for existing SATA drives, the server market needs solutions today.


In the past you needed a huge chassis to deploy an 8-core server, but thanks to Moore's Law you can cram a dozen high-performance x86 cores into a single 1U or 2U chassis. These high density servers are great for compute performance, but they do significantly limit per-server storage capacity. With the largest eMLC drives topping out at 400GB and SLC drives well below that, if you have high performance needs in a small rackmount chassis you need to look beyond traditional 2.5" drives.


Furthermore, if all you're going to do is combine a bunch of SAS/SATA drives behind a PCIe RAID controller it makes more sense to cut out the middleman and combine the two.


We've seen PCIe SSDs that do just that, including several from OCZ under the Z-DRive and Revodrive brands. Although OCZ has delivered many iterations of PCIe SSDs at this point they all still follow the same basic principle: combine independent SAS/SATA SSD controllers on a PCIe card with a SAS/SATA RAID controller of some sort. Eventually we'll see designs that truly cut out the middlemen and use native PCIe-to-NAND SSD controllers and a simple PCIe switch or lane aggregator. Micron has announced one such drive with the P320h The NVMe specification is designed to support the creation of exactly this type of drive, however we have yet to see any implementations of the spec.


Many companies have followed in OCZ's footsteps and built similar drives, but many share one thing in common: the use of SandForce controllers. If you're working with encrypted or otherwise incompressible data, SandForce isn't your best bet. There are also concerns about validation, compatibility and reliability of SF's controllers.


Similar to its move into the MLC SSD space, Intel is arriving late to the PCIe SSD game - but it hopes to gain marketshare on the back of good performance, competitive pricing and reliability.
The first member of the new PCIe family is the Intel SSD 910, consistent with Intel's 3-digit model number scheme.


The 910 is a single-slot, half-height, half-length PCIe 2.0 x8 card with either 448GB or 896GB of Intel's 25nm MLC-HET NAND .Part of the high endurance formula is extra NAND for redundancy as well as larger than normal spare area on the drive itself. Once those two things are accounted for, what remains is either 400GB or 800GB of available storage.


The 910's architecture is surprisingly simple. The solution is a layered design composed of two or three boards stacked on one another. The first PCB features either two or four SAS SSD controllers, jointly developed by Intel and Hitachi (the same controllers are used in Hitachi's Ultrastar SSD400M). These controllers are very similar to Intel's X25-M/G2/310/320 controller family but with a couple of changes. The client controller features a single CPU core, while the Intel/Hitachi controller features two cores (one managing the NAND side of the drive while the other managing the SAS interface). Both are 10-channel designs, although the 910's implementation features 14 NAND packages per controller.




In front of the four controllers is an LSI 2008 SAS to PCIe bridge. There's no support for hardware RAID, each controller presents itself to the OS as a single drive with a 200GiB (186GB) capacity. You are free to use software RAID to aggregate the drives as you see fit but by default you'll see either two or four physical drives appear.


The second PCB is home to 448GB of Intel's 25nm MLC-HET NAND, spread across 28 TSSOP packages. The third PCB is only present if you order the 800GB version, and it adds an extra 448GB of NAND (another 28 packages). Even in a fully populated three-board stack, the 910 only occupies a single PCIe slot.


The 910's TDP is set at 25W and requires cooling capable of moving air at 200 linear feet per minute for proper operation.
The use of LSI's 2008 SAS PCIe controller makes sense as there's widespread OS support for the controller, in many cases you won't need to even supply a 3rd party driver. The 910 isn't bootable, but I don't believe that's much of an issue as you're more likely to deploy a server with a small boot drive anyway. There's also no support for hardware encryption, a more unfortunate omission.
Intel's performance specs for the 910 are understandably awesome:


Intel's specs come from aggregating performance across all controllers, but you're still looking at a great combination of performance and capacity. These numbers are applicable to both compressible and incompressible data.


The 910 will ship with a software tool that allows you to get even more performance out of the drive (up to 1.5GB/s write speed) by increasing the board's operating power to 28W from 25W.


The 910 is rated for up to 2.5PB of 4KB or 3.5PB of 8KB random writes per NAND module (200GB).
The pricing is also fairly reasonable. The 400GB model carries a $1929 MSRP while the 800GB will set you back $3859, both come in below $5/GB. Samples are available today, with the first production of Intel's SSD 910 available sometime in the first half of the year.


I have to say that I'm pretty excited to see Intel's 910 in action. Intel's reputation as an SSD maker carries a lot of weight in the enterprise market already. The addition of a high-end PCIe solution will likely be well received by its existing customers and others who have been hoping for such a solution.
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Old 18-04-12   #2
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Re: Intel's SSD 910 : Finally A PCIe SSD

Intel Releases Budget Friendly 330 series SSD
Just a few weeks ago we got our first bit of information on the upcoming 330-series when several online retailers begun listing the drive. Now, Intel has officially released its 330-Series SSD, which is available in three capacities: 60 GB, 120 GB and 180 GB. The drive is based on a 2.5-inch/9.5mm form factor and utilizes 25nm Intel NAND Flash Memory Multi-Level Cell (MLC). As a replacement to the 320 series the 330-Series uses a SATA 6 Gb/s interface, which doubles the bandwidth of the current 320-Series SATA 3 Gb/s SSDs.

Intel lists the performance numbers for the 330-Series at up to 500 MB/s sequential read speeds and up to 450 MB/s sequential write speeds. The drives offer random 4 KB reads of 22,500 IOPS, with random 4 KB writes of 33,000 IOPS respectively. Intel lists the power consumption at 850 milliwatt (mW) typical active power draw, with typical idle power draw at 600 mW respectively.


Intel now offers a broad range of SSD choices within four product families. The Intel SSD 300 family is aimed at entry-level, mainstream end-users. The Intel SSD 500 family offers more fully featured, higher-performing end users SSDs for computer and gaming enthusiasts. The Intel SSD 700 and Intel SSD 900 families are targeted for data center applications.


The 330-Series will be available starting today with a suggested price of $89 for a 60GB drive, $149 for a 120GB drive and $234 for a 180GB drive. It is also backed by a 3 year limited warranty . In addition, the 330-Series drives utilize Intel's Solid-State Drive Toolbox with Intel SSD Optimizer and Intel's Data Migration Software.
Intel Releases Budget Friendly 330-Series SSDs
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Old 18-04-12   #3
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Re: Intel's SSD 910 : Finally A PCIe SSD

Intel is on a roll in SSD's !! I think this will be a deciding factor in the future of ssd's.
now somebody get me a PCIe SSD !!!
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Old 18-04-12   #4
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Re: Intel's SSD 910 : Finally A PCIe SSD

Exactly
After introducing budget ssds , enterprise ssds and pcie ssds intel give a push to ssd market to a new level.
Intel started developing its own ultrabook, tablet and will use own ssds in it(ultrabook).
So by more demands of ssds everywhere the ssds gona be cheaper.
May be in 2-3 years a we can buy an affordable pcie ssd.
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Old 18-04-12   #5
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Re: Intel's SSD 910 : Finally A PCIe SSD

Yes that is the future it seems.. specially as people now want to have speed and reliability in their systems.
it is the future..
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Old 18-04-12   #6
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Re: Intel's SSD 910 : Finally A PCIe SSD

Thanks
The hdd prices are in sky high
And also fast 10k rpm hdd prices are unreachable to buy . So people are now more interested in budget ssd under 200gb capacity to get speed and also a little storage space for apps and also some data. The budget people are considering the 60/80gb capacity ssds for system boot drive to get faster speed.
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